[phenixbb] Appplying symmetry to a Cryo-EM map in phenix map_to _model

Terwilliger, Thomas Charles terwilliger at lanl.gov
Sun Aug 6 05:44:23 PDT 2017

?Hi Joshua,

I'm sorry for the slow reply. In phenix.map_to_model you normally do not need to specify any space group information.  (For cryo-EM we use "P1" as the "space group" but you don't have to specify it).

Let me know if that doesn't do it,

All the best,

Tom T

From: phenixbb-bounces at phenix-online.org <phenixbb-bounces at phenix-online.org> on behalf of Joshua Jude Lobo <jlobo at umn.edu>
Sent: Tuesday, August 1, 2017 12:50 PM
To: phenixbb at phenix-online.org
Subject: [phenixbb] Appplying symmetry to a Cryo-EM map in phenix map_to _model

Hi Phenix Group

I am very new to model building and using phenix . I am trying to use phenix.map_to_model to generate a model just using my cryo-EM map( mrc format) and a fasta sequence .My protein has octahedral symmetry . I found the use_space_group_symmetry argument but am not sure what argument to give to impose the symmetry .

Any inputs are appreciated

Joshua Lobo
University of Minnesota Twin Cities

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